“Sm-Nd dating”的概念、定义、翻译、参考文献-科学参考

单词	Sm-Nd dating
释义	Sm-Nd dating Encyclopedia 理学钐-钕定年释 Sm-Nd dating钐-钕定年在Sm-Nd同位素封闭系统中，利用147Sm放出一个α粒子与能量衰变成143Nd，由衰变定律根据母体147Sm的减少量、放射成因143Nd*增加的量计算系统Sm-Nd年龄的方法。
随便看	rational circle rational coefficient rational cohomology group rational comprehensive decision-making rational configuration rational conformal field theory rational content rational convexity rational crimes rational cuboid rational curve rational curve and surface rational cut rational cutting problem rational cycle rational density rational design rational diagonal rational differential equation rational distance rational distance problem rational division algebra rational divisor rational divisor over k rational domain

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。